/Engine/Source/Runtime/AIModule/Classes/BehaviorTree/Composites/BTComposite_SimpleParallel.h
Handle child updates
virtual int32 GetNextChildHandler ( [FBehaviorTreeSearchData](API\Runtime\AIModule\BehaviorTree\FBehaviorTreeSearchData) & SearchData, int32 PrevChild, [EBTNodeResult::Type](API\Runtime\AIModule\BehaviorTree\EBTNodeResult__Type) LastResult ) const